Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	9 Months Ended
Sep. 29, 2018 USD ($)
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 331.5
Goodwill Beginning Balance	8,776.1
Foreign currency translation	(100.7)
Goodwill Ending Balance	9,006.9
Tools & Storage [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	59.3
Goodwill Beginning Balance	5,189.7
Foreign currency translation	(58.4)
Goodwill Ending Balance	5,190.6
Industrial Segment
Goodwill [Line Items]
Goodwill, Acquired During Period	219.5
Goodwill Beginning Balance	2,132.0
Foreign currency translation	(40.5)
Goodwill Ending Balance	2,144.2
Securities Industry
Goodwill [Line Items]
Goodwill, Acquired During Period	52.7
Goodwill Beginning Balance	1,454.4
Foreign currency translation	(1.8)
Goodwill Ending Balance	$ 1,672.1

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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+ References

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